# 读取
import json
def read_data(path):
    with open(path,mode='r',encoding='utf-8') as f:
        data=json.load(f)
    return data 
# 写入
def write_data(data_list,path):
    with open(path,mode='w',encoding='utf-8') as f:
        json.dump(data_list,f,ensure_ascii=False)
if __name__ == '__main__':
    path='Books_Data.json'
    print(read_data(path))
    data_list=[{'时间': '2021/8/21 09:00:00', '项目': '工资', '分类': '收入', '金额': 20000}, {'时间': '2021/8/21 09:00:00', '项目': '聚餐', '分类': '支出', '金额': -200}]
    write_data(data_list,path)
    print(read_data(path))